Edwards TCU 40/80 - Page 30

High Pressure
The refrigerant lines are at high pressure.
Under no circumstances should the refrigerant
pressure relief valve be removed or capped off.
Eye Protection
Hand Protection
Leakage or failure of high pressure circuits may
cause injury or irritation of the eyes.
Eye protection should be worn when working with
fluid systems.
Hot or cold fluids and surfaces can cause injury or
irritation of the hands.
Hand protection should be worn when working
with these fluid systems.
Electric Shock
Ensure that all electrical power has been removed
and the main circuit breaker has been turned off
prior to opening the electrical drawer. The
EMERGENCY OFF circuit (EMO) does not
disconnect all power from the electrical drawer.
Extreme caution must be observed if performing
maintenance operations with the drawer open.
Hot Surface
Refrigeration and circulating fluid lines can attain
temperatures as high as 110 °C.
Caution must be observed.
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TCU 40/80 Temperature Control Unit